A number is divisable by 2 if the number is even. ex 11458
A number is divisable 3 if all the numbers add up to a multiple of 3. ex 471 (4+7+1=1)
The rule for 4 is that the last 2 numbers are a multiple of four (has to be even.) ex. 132
The rule for 5 is if the number ends in a 0 or 5 it is divisable by 5.ex. 45620 and 875
The rule for 6 is if the number is divisable by 2 and 3 it is divisable by 6.ex.168
The rule for 9 is if the last two digits add up to a multipile of nine.ex.18
Divisablitiy rules help so you can do your math easier and quicker.
A number is divisable 3 if all the numbers add up to a multiple of 3. ex 471 (4+7+1=1)
The rule for 4 is that the last 2 numbers are a multiple of four (has to be even.) ex. 132
The rule for 5 is if the number ends in a 0 or 5 it is divisable by 5.ex. 45620 and 875
The rule for 6 is if the number is divisable by 2 and 3 it is divisable by 6.ex.168
The rule for 9 is if the last two digits add up to a multipile of nine.ex.18
Divisablitiy rules help so you can do your math easier and quicker.